标准是从事科研、生产、建设工作以及商品流通的一种共同的技术依据,是用以衡量事物的客观准则。标准是为了取得最佳的社会效益,对经济技术活动中需要协调统一的具有多样性、相关性特征的技术或其他重复事物,在以科学技术和实践经验为基础,经有关方面协商同意,经有关的机构批准,以特定的形式发布的统一规定。从性质上说标准可分为两大类,一类是技术标准,一类是管理标准。在国内有国家标准,部(专业)标准、企业标准三类,在国际上有国际标准,发达国家的标准和国际上通行的团体标准三类。国际标准通常是指国家标准化组织 Standards are a common technical basis for scientific research, production, construction work and commodity circulation, and are objective criteria for measuring things. The standard is to achieve the best social benefits. For technical or other repetitive things that need to be coordinated and harmonized in economic and technological activities based on the characteristics of science and technology and practical experience, and with the agreement of the parties concerned, Relevant agencies approve uniform provisions issued in a specific form. From the nature of the standard can be divided into two categories, one is the technical standards, one is the management standard. In the country there are national standards, ministries (professional) standards, corporate standards in three categories, in the international arena standards, developed countries standards and internationally accepted group standards three categories. International standard usually refers to the national standardization organization